Representative Image of British Army
British Army is reportedly planning to mobilise the UK's pool of former servicemen and women amid rising tensions with Russia (representative image) Unsplash - Diego González

Armed Forces minister Louise Sandher-Jones revealed that Britain is planning a major exercise to test the mobilisation of thousands of former servicemen and women to prepare for war amid brewing conflicts with Russia. Sandher-Jones shared that the exercise will begin next year and will use the UK's strategic reserve of approximately 95,000 former Armed Forces members.

Britain's planned test will determine whether veterans can be located, called up, equipped and prepared for service if the country faces a serious military crisis. The Armed Forces minister told the House of Lords national resilience committee that the reserve would be used on a scale 'we haven't seen for a long time'.

The announcement comes amid heightened tensions between Britain and Russia, including reports of threats from Moscow over British defence factories producing drones for Ukraine.

Ministers Seek to Ensure Britain's Readiness

The Strategic Reserve has played a relatively limited role in recent defence planning, but ministers are now seeking to make it a more effective component of Britain's military mobilisation plans.

The armed forces' upcoming exercise is reportedly aimed at reviewing the practical challenges that surround bringing veterans back into service. It would include identifying eligible veterans, contacting them, providing equipment and finding out how fast they could become operational.

Previously, the Ministry of Defence was criticised over its ability to track and engage members of the Strategic Reserve, with former defence figures raising concerns about the system used to maintain contact with personnel.

The pool in discussion is also different from Britain's 32,000 active reservists, who are currently serving part-time across the Army, RAF, and the Royal Navy.

An Increasingly Hostile Relationship with Moscow

The mobilisation plans come as Britain reassesses its military readiness amid the continuing war in Ukraine and increasingly heightened tensions with Moscow.

The Government has already moved to expand the pool of veterans who could be recalled. Changes announced earlier this year increased the maximum mobilisation age for some former military personnel from 55 to 65.

Moscow
Moscow threatened to attack the UK's factories that manufacture drones for Ukraine (representative image) Pexels - Vitali Adutskevich

New legislation is also expected to lower the threshold for recalling veterans. Rather than requiring Britain to be facing a national emergency or direct attack, personnel could be called up during "warlike preparations".

The changes are due to come into force next spring. Furthermore, they reflect wider concerns about the prospect of a major conflict in Europe and Britain's ability to expand its military capacity if required.

Military Readiness Concerns

According to reports, the British Army is at its smallest size in more than two centuries, tallying around 71,000 full-time, fully trained personnel.

That said, the strategic reserve could provide Britain with an important source of experienced manpower should a major crisis emerge. With tensions across Europe continuing to rise, Britain's ability to turn its veteran population into an effective reserve force could become a vital part of its defence strategy.

The planned exercise doesn't entail that Britain is preparing for an imminent war with Russia. Instead, it shows how ministers are increasingly planning for scenarios in which the country would need to rapidly expand its military capacity.